The residents of Four Mile Run, an isolated neighborhood on the edge of Greenfield, have wanted one thing for a very long time: a major sewage infrastructure project to alleviate its flooding problems. The neighborhood nestled in a valley south of Oakland consistently...

Rivers are at the heart of the Pittsburgh region. The area’s economic and environmental revival is closely tied to its rivers, but unfortunately its aging and poorly designed sewer system is creating a crisis. As little as one-tenth of an inch of rain can cause raw sewage and other contaminants to overflow into local rivers.